Automatic telephone systems



June 9, 1959 Filed Nov. 29, 1955 J. E. FLOOD AUTOMATIC TELEPHONE SYSTEMS 25 Sheets-Sheet l JOHN EDWARD FLOOD A Home):

June 9, 1959 Filed Nov. 29, 1955 J. E. FLoQD 25 Sheets-Sheet 2 Maintain C/ock u/ses PULSE rif/66m 55 DEL/:r UNE F d @e m DI /n f f AMPL/F/EH Ff .2. Feec/ Out g xll//oaem/ Mode/n2 l Maintain/'ng Pff/ses Pu/s@ from Masts/1 Inventor JOHN EDWARD FLOOD A torney June 9, 1959 J. E. FLOOD 2,890,284

AUTOMATIC TELEPHONE SYSTEMS 0 msm/81170@ HEL/1) DEV/Cf DEV/Cf g4 '37: nvenlor Tom EDWARD FLOOD Attorney June 9, 1959 J. E. FLOOD 2,890,284

AUTOMATIC TELEPHONE SYSTEMS Filed Nov. 29K, 1955 23 Sheets-Sheet 4 Attorney Filed Nov. 29, 1955 June 9, 1959 1 E. FLOOD 2,890,284

' AUTOMATIC TELEPHONE: SYSTEMS I A 23 Sheets-Sheet 5 HP I AM- Hela/w 6,0686):

Inventor JOHN EDWARD FLOOD A ttorney June 9, 1959 Filed Nov. 29, 1955 J. E. FLOOD 2,890,284 AUTOMATIC TELEPHONE SYSTEMS 23 Sheets-Sheet 6 nvenor JOHN EDWARD FLO OD Homey J. E. FLOOD AUTOMATIC TELEPHONE SYSTEMS Juxzle 9, 1959 25 Sheets-Sheet 7 kFiled Nov. 29, 1955 JOHN EDWARD FLOOD A ttorn e y J. E. FLOOD AUTOMATIC TELEPHONE SYSTEMS June 9, 1959 25 Sheets-Sheet 8 Filed Nov. 29, 1955 REG/STER MARKE/ ULT/FLEX 10U/FLEX PMX micro/r Inventar l JOHN EDWARD FLOOD A ttorney 23 Sheets-Sheet 9 Inventor JOHN EDWARD FLOOD June 9, 1959V J. E. FLOOD AUTOMATIC TELEPHONE SYSTEMS v Filed Nov. 29, 1955 June 9, 1959 23' Sheets-Sheet l0 'Filed Nqv. 29, 1955 I l I I I V I I I I I 1 I I I I I 1 I I I I J [n ventor JOHN EDWARD FLOOD A ttorn e y J. E. FLOOD AUTOMATIC TELEPHONE SYSTEMS June 9, 1959 23 Sheets-Sheet l1 Filed Nov. ze, 1955 Space/7 Inventor JOHN EDWARD FLOOD torney June 9, 1959 J. E. FLOD Y 2,890,284 AUTOMATIC TELEPHONE SYSTEMS Filed N09. 29, 1955 25 sheet-sheer 12 @y l rp? -2 ,2i` fowerwgefvef F FS Y *El l JOHN EDWARD FLoon ttorney June 9, 1959 l J. E. FLOOD' 2,390,284

AUTOMATIC TELEPHONE SYSTEMS Filed Nov. 29, 1955 23 Sheets-Sheet 125 S70/MGE CIRCUIT CIRCUITS 6 F52 A F02 E.'

Inventor JOHN EDWARD FLOOD A ttorney June 9, 1959 1 E, FLQOD 2,890,284

AUTOMATIC TELEPHONE SYSTEMS Filed Nov. 2 9, 1955 ZS'ShSetS-Sheet 14 [n ventor JOHN EDWARD FLOOD Attorney Jun'e 9, 1959'l J. E. FLOOD 2,890,284.

AUTOMATIC TELEPHONE SYSTEMS Filed Nov. 29, 1955 23 Sheets-Sheet 15 if U #501) H001/ Inventor JOHN EDWARD FLOOD A [torn e y Jue 9, 1959 J. E. FLOOD l 2,890,284

AUTOMATIC TELEPHONE SYSTEMS Filed Nov. 29, 1955 123: Sheets-Sheet 16 nvenlor JOHN EDWARD FLOOD Attorney June 9, I1959 J. E. FLOOD 2,890,284

AUTOMATIC TELEPHONE SYSTEMS Filed Nov. 29.k 1955 23 Sheets-Sheet` 1W nvenlor JOHN EDWARD FIOD v By A tlorney June 9, 1959 J, E, FLQQD 2,890,284

AUTOMATIC TELEPHONE SYSTEMS` Filed Nov. 29, 1955` zs'sheets-sheet 1s Sip/mgl In ventor T Jorm EDWARD FLoon Alltorney June 9, 1959 Er-100D 2,890,284`

` AUTOMATIC TELEPHONE SYSTEMS Filed'NQv. 29, 1955 2a sheets-sheet 1s R126 l- W2 Rm 1re/o7 liv@ MI5/o5 250 A Harney J. E. FLOOD AUTOMATIC TELEPHONE SYSTEMS June 9, 1959 23 Sheets-Sheet \20 Filed Nov. 29, 1955 JOHN EDWARD FLOOD A ttorney 

